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Mercury Marine Jet 25ELHGA FourStroke
Mercury Marine Jet 25ELHGA FourStroke

Specs

General Information

Manufacturer
Mercury Marine
Mercury Marine
Model
Jet 25ELHGA FourStroke
Jet 25ELHGA FourStroke
Model Code
1A3G371BK
1A3G371BK
Color
Phantom Black
Phantom Black

Electrical

Alternator
15A (186 W)
15A (186 W)

Engine

Engine Type
Inline 3
Inline 3
Ignition
CDI with electronic spark advance
CDI with electronic spark advance
Starting
Electric (turn-key)
Electric (turn-key)

Measurements

Power
25 Horsepower
25 Horsepower
Displacement
526 Cubic Centimeter
526 Cubic Centimeter
Bore x Stroke
2.40 x 2.36 in. (61 x 60 mm)
2.40 x 2.36 in. (61 x 60 mm)
Shaft Length
15"
15"
Dry Weight
198 lbs
198 lbs

Operational

Steering
Tiller
Tiller
Fuel Type
Unleaded
Unleaded
Full Throttle RPM Range
5,000 - 5,500
5,000 - 5,500
Fuel Induction

2 valves per cylinder, single overhead cam (SOHC)

Electronic Fuel Injection (EFI)

2 valves per cylinder, single overhead cam (SOHC)

Electronic Fuel Injection (EFI)

Lubrication
Recommended oil - Mercury FourStroke Oil 10W-30
Recommended oil - Mercury FourStroke Oil 10W-30
Gear Shift
Gearcase options - Jet Drive
Gearcase options - Jet Drive
Trim System
Gas assist
Gas assist
Instrumentation
Engine protection operator warning system - Low oil pressure, Over-rev, Overheat, Sensor failure
Engine protection operator warning system - Low oil pressure, Over-rev, Overheat, Sensor failure

Features

Features

  • Recommended fuel - 87 octane / up to 10% ethanol
  • CARB star rating - 3
  • Fuel tank - 6.6 gal. (25 l)
  • Requires a 20 in. boat transom

Intuitive, Innovative Features

  • HIGH-OUTPUT ALTERNATOR: A powerful alternator – 18 amps on the 35 and 40hp models and 17 amps on the 25hp – helps keep batteries charged and your onboard electronics running all day.
  • STAINLESS IMPELLER: The stainless impeller improves performance and withstands harsh, abrasive debris that can be drawn through the pump, enhancing long-term durability and reliability.
  • ELECTRONIC FUEL INJECTION (EFI): From the moment you crank the engine to the moment you drop the throttle, EFI technology responds with instant power. Surefire starting in all weather conditions. Smooth, efficient acceleration. Maximum capability.
  • HIGH-DISPLACEMENT POWERHEAD: Featuring the Mercury inline-3 (25hp) or inline-4 powerhead, these Jet outboards pack the muscle and reliability needed to confidently tackle shallow flats, marshes and rivers.
  • ADVANCED CONTROLS: With choice of tiller or remote steering, you can outfit your shallow-water boat with a Mercury propulsion system that’s perfect for your adventures.

Jet Advantage

  • CORROSION RESISTANCE: Specially engineered alloys, an exclusive multi-layer coating system, sacrificial anodes and waterproof electrical connections help protect your engine from the harshest elements in freshwater and salt.
  • DURABILITY MEETS DRIVABILITY: Our Jet outboards are tough, yet easy to handle, with a durable stainless impeller that can withstand hard operation and intuitive controls that put you in full command on the river or the marsh.
  • COMPACT FLEXIBILITY: The low weight and slender width of a Mercury Jet outboard let you power boats ranging from compact river skiffs and small jon boats to sleds and drift boats.
  • EXCEPTIONAL HANDLING AND FUN: Smooth performance. Impressive torque. Rugged durability. Mercury FourStroke outboards – including Jet models – are built for ease of use and season after season of fun.

Jet Performance Data

  • MORE FUN ON LESS FUEL: Explore farther and stay out longer thanks to a lightweight design and efficient fuel injection that optimize performance from every drop of gas.
  • POWERFUL ACCELERATION: A compact, single-overhead-cam design and long piston stroke deliver more low-end torque for excellent acceleration.
  • LIGHTER BY DESIGN: The lightweight FourStroke engine design is ideal for shallow-water applications.

Warranty & Maintenance

  • WARRANTY COVERAGE: Mercury makes world-class marine products backed by world-class warranties.
  • MAINTENANCE: At Mercury, we make maintenance easy. Learn more about how to keep your Mercury products performing at their peak.

Features

  • Recommended fuel - 87 octane / up to 10% ethanol
  • CARB star rating - 3
  • Fuel tank - 6.6 gal. (25 l)
  • Requires a 20 in. boat transom

Intuitive, Innovative Features

  • HIGH-OUTPUT ALTERNATOR: A powerful alternator – 18 amps on the 35 and 40hp models and 17 amps on the 25hp – helps keep batteries charged and your onboard electronics running all day.
  • STAINLESS IMPELLER: The stainless impeller improves performance and withstands harsh, abrasive debris that can be drawn through the pump, enhancing long-term durability and reliability.
  • ELECTRONIC FUEL INJECTION (EFI): From the moment you crank the engine to the moment you drop the throttle, EFI technology responds with instant power. Surefire starting in all weather conditions. Smooth, efficient acceleration. Maximum capability.
  • HIGH-DISPLACEMENT POWERHEAD: Featuring the Mercury inline-3 (25hp) or inline-4 powerhead, these Jet outboards pack the muscle and reliability needed to confidently tackle shallow flats, marshes and rivers.
  • ADVANCED CONTROLS: With choice of tiller or remote steering, you can outfit your shallow-water boat with a Mercury propulsion system that’s perfect for your adventures.

Jet Advantage

  • CORROSION RESISTANCE: Specially engineered alloys, an exclusive multi-layer coating system, sacrificial anodes and waterproof electrical connections help protect your engine from the harshest elements in freshwater and salt.
  • DURABILITY MEETS DRIVABILITY: Our Jet outboards are tough, yet easy to handle, with a durable stainless impeller that can withstand hard operation and intuitive controls that put you in full command on the river or the marsh.
  • COMPACT FLEXIBILITY: The low weight and slender width of a Mercury Jet outboard let you power boats ranging from compact river skiffs and small jon boats to sleds and drift boats.
  • EXCEPTIONAL HANDLING AND FUN: Smooth performance. Impressive torque. Rugged durability. Mercury FourStroke outboards – including Jet models – are built for ease of use and season after season of fun.

Jet Performance Data

  • MORE FUN ON LESS FUEL: Explore farther and stay out longer thanks to a lightweight design and efficient fuel injection that optimize performance from every drop of gas.
  • POWERFUL ACCELERATION: A compact, single-overhead-cam design and long piston stroke deliver more low-end torque for excellent acceleration.
  • LIGHTER BY DESIGN: The lightweight FourStroke engine design is ideal for shallow-water applications.

Warranty & Maintenance

  • WARRANTY COVERAGE: Mercury makes world-class marine products backed by world-class warranties.
  • MAINTENANCE: At Mercury, we make maintenance easy. Learn more about how to keep your Mercury products performing at their peak.